Bell System, AT&T & SBC Utility Warning Signs
Updated September 27, 2026
| Lot number | 26 |
| Auction | September Consignment: Antiques, Audio, Trains & Toys |
| Date | October 10, 2026 at 6:00 PM EDT |
| Auction house | Heartland Auction Services |
| Location | Brookston, Indiana |
Assorted telephone utility and underground cable warning markers from Bell System, AT&T and SBC, including metal “Underground Telephone Cable – Do Not Disturb” signs, warning tags and additional utility identification pieces. See photos for condition and details.
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